Analysis

  • max time kernel
    153s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-en-20211208
  • submitted
    11-02-2022 06:40

General

  • Target

    9f919f0741b3699305e620c5ced35fd17f85c85202e2736ac8571ef98e5ee1c7.exe

  • Size

    55KB

  • MD5

    bb59cea22077fe4f90beab5d89048b09

  • SHA1

    c70942c804c7cdd632dd2dfded3efbf239a6134f

  • SHA256

    9f919f0741b3699305e620c5ced35fd17f85c85202e2736ac8571ef98e5ee1c7

  • SHA512

    11b8f976dc3ab0e37d8eab0815aff844006b0faf135b0a589c4b9182324ec397c79c4bdf6da7f5e55e8aba157f5bb7b75f0662b6c7b941111e5db6e044fb9f27

Malware Config

Extracted

Path

C:\how_to_back_files.html

Ransom Note
<html> <style type="text/css"> body { background-color: #404040; } { margin: 0; padding: 0; } h1, h3{ text-align: center; text-transform: uppercase; font-weight: normal; } /*---*/ .tabs1{ width: 800px; display: block; margin: auto; position: relative; } .tabs1 .head{ text-align: center; float: top; text-transform: uppercase; font-weight: normal; display: block; padding: 5px; color: #FF0000; background: #303030; } .tabs1 .identi { margin-left: 0px; line-height: 13px; font-size: 13px; text-align: center; float: top; display: block; padding: 15px; background: #303030; color: #DFDFDF; } /*---*/ .tabs{ width: 800px; display: block; margin: auto; position: relative; } .tabs .tab{ float: left; display: block; } .tabs .tab>input[type="radio"] { position: absolute; top: -9999px; left: -9999px; } .tabs .tab>label { display: block; padding: 6px 21px; font-size: 18x; text-transform: uppercase; cursor: pointer; position: relative; color: #FFF; background: #4A83FD; } .tabs .content { z-index: 0;/* or display: none; */ overflow: hidden; width: 800px; /*padding: 25px;*/ position: absolute; top: 32px; left: 0; background: #303030; color: #DFDFDF; opacity:0; transition: opacity 400ms ease-out; } .tabs .content .text{ width: 700px; padding: 25px; } .tabs>.tab>[id^="tab"]:checked + label { top:0; background: #303030; color: #F5F5F5; } .tabs>.tab>[id^="tab"]:checked ~ [id^="tab-content"] { z-index: 1;/* or display: block; */ opacity: 1; transition: opacity 400ms ease-out; } </style> <head> <meta charset="utf-8"> <title>HOW TO DECRYPT YOUR FILES</title> </head> <body> <div class="tabs1"> <div class="head" ><h3>Your personal ID</h3></div> <div class="identi"> <pre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p> </pre><!-- !!! dont changing this !!! --> </div> </div> <!-- --> <div class="tabs"> <!--tab--> <div class="tab"> <input type="radio" name="tabs" checked="checked" id="tab1" /> <label for="tab1">English</label> <div id="tab-content1" class="content"> <h1>&#9763; Your files are encrypted! &#9763;</h1> <hr/> <h3> &#11015 To decrypt, follow the instructions below. &#11015 </h3> <br/> <div class="text"> <!--text data --> To recover data you need decryptor.</br> To get the decryptor you should:</br> <p>Send 1 crypted test image or text file or document to <span> <font color="FF0000"> [email protected] </font></span></br> (Or alternate mail <font color="FF0000"> [email protected] </font>)<p> In the letter include your personal ID (look at the beginning of this document).</p> We will give you the decrypted file and assign the price for decryption all files</p> After we send you instruction how to pay for decrypt and after payment you will receive a decryptor and instructions We can decrypt one file in quality the evidence that we have the decoder.</br> <hr color=red> <center><p style="color:#FF0000">MOST IMPORTANT!!!</p></center> <center><p style="color:#FF0000"> Do not contact other services that promise to decrypt your files, this is fraud on their part! They will buy a decoder from us, and you will pay more for his services. No one, except [email protected], will decrypt your files.</p></center> <hr color=red> <ul> <li>Only [email protected] can decrypt your files</li> <li>Do not trust anyone besides [email protected]</li> <li>Antivirus programs can delete this document and you can not contact us later.</li> <li>Attempts to self-decrypting files will result in the loss of your data</li> <li>Decoders other users are not compatible with your data, because each user's unique encryption key</li> </ul> <!--text data --> </div> </div> </div> <!--tab--> </ul> <!--text data --> </div> </div> <!--tab--> </div> </div> </body> </html>

Signatures

  • GlobeImposter

    GlobeImposter is a ransomware first seen in 2017.

  • Modifies extensions of user files 8 IoCs

    Ransomware generally changes the extension on encrypted files.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 27 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9f919f0741b3699305e620c5ced35fd17f85c85202e2736ac8571ef98e5ee1c7.exe
    "C:\Users\Admin\AppData\Local\Temp\9f919f0741b3699305e620c5ced35fd17f85c85202e2736ac8571ef98e5ee1c7.exe"
    1⤵
    • Modifies extensions of user files
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1180

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/1180-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

    Filesize

    8KB